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Valle Guffari, Buscemi, Syracuse Province, Sicily, Italyi
Regional Level Types
Valle GuffariValley
BuscemiMunicipality
Syracuse ProvinceProvince
SicilyAutonomous Region
ItalyCountry

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Key
Latitude & Longitude (WGS84):
37° 6' 34'' North , 14° 49' 17'' East
Latitude & Longitude (decimal):
Locality type:
Other Languages:
Italian:
Valle Guffari, Buscemi, Provincia di Siracusa, Sicilia, Italia


Diatremic tuff-breccia deposits in Valle Giuffari, a bow-shaped valley cut in the southeastern slope of Monte Lauro (central part of the Hyblean Plateau), which represent the most important xenolith occurrence in the Hyblean Plateau. Deep-seated xenoliths entrained in the diatremic tuff-breccia consist of mantle peridotites (spinel-facies harzburgite and rare lherzolite), pyroxenites, gabbroic rocks including sheared oxide-gabbros, and sedimentary lithologies.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


16 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Aragonite
Formula: CaCO3
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266; Correale, A., Scribano, V., and Paonita, A. (2019) A volcanological paradox in a thin-section: large explosive eruptions of high-Mg magmas explained through a vein of silicate glass in a serpentinized peridotite xenolith (Hyblean area, Sicily). Geosciences, 9(4), 150.
'Chlorite Group'
Reference: Correale, A., Scribano, V., and Paonita, A. (2019) A volcanological paradox in a thin-section: large explosive eruptions of high-Mg magmas explained through a vein of silicate glass in a serpentinized peridotite xenolith (Hyblean area, Sicily). Geosciences, 9(4), 150
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.
Diopside
Formula: CaMgSi2O6
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266; Correale, A., Scribano, V., and Paonita, A. (2019) A volcanological paradox in a thin-section: large explosive eruptions of high-Mg magmas explained through a vein of silicate glass in a serpentinized peridotite xenolith (Hyblean area, Sicily). Geosciences, 9(4), 150.
Diopside var: Chromian Diopside
Formula: Ca(Mg,Cr)Si2O6
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266; Correale, A., Scribano, V., and Paonita, A. (2019) A volcanological paradox in a thin-section: large explosive eruptions of high-Mg magmas explained through a vein of silicate glass in a serpentinized peridotite xenolith (Hyblean area, Sicily). Geosciences, 9(4), 150.
Enstatite
Formula: MgSiO3
Reference: Correale, A., Scribano, V., and Paonita, A. (2019) A volcanological paradox in a thin-section: large explosive eruptions of high-Mg magmas explained through a vein of silicate glass in a serpentinized peridotite xenolith (Hyblean area, Sicily). Geosciences, 9(4), 150
Forsterite
Formula: Mg2SiO4
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266; Correale, A., Scribano, V., and Paonita, A. (2019) A volcanological paradox in a thin-section: large explosive eruptions of high-Mg magmas explained through a vein of silicate glass in a serpentinized peridotite xenolith (Hyblean area, Sicily). Geosciences, 9(4), 150.
'Glass'
Reference: Correale, A., Scribano, V., and Paonita, A. (2019) A volcanological paradox in a thin-section: large explosive eruptions of high-Mg magmas explained through a vein of silicate glass in a serpentinized peridotite xenolith (Hyblean area, Sicily). Geosciences, 9(4), 150
Godlevskite
Formula: (Ni,Fe)9S8
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.
Heazlewoodite
Formula: Ni3S2
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.
Hydroxylapatite
Formula: Ca5(PO4)3(OH)
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.
Lizardite
Formula: Mg3(Si2O5)(OH)4
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.
Millerite
Formula: NiS
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.
'Orthopyroxene Subgroup'
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.
Polydymite
Formula: Ni2+Ni3+2S4
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.
Quartz
Formula: SiO2
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.
Quartz var: Chalcedony
Formula: SiO2
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.
Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266; Correale, A., Scribano, V., and Paonita, A. (2019) A volcanological paradox in a thin-section: large explosive eruptions of high-Mg magmas explained through a vein of silicate glass in a serpentinized peridotite xenolith (Hyblean area, Sicily). Geosciences, 9(4), 150.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Reference: Correale, A., Scribano, V., and Paonita, A. (2019) A volcanological paradox in a thin-section: large explosive eruptions of high-Mg magmas explained through a vein of silicate glass in a serpentinized peridotite xenolith (Hyblean area, Sicily). Geosciences, 9(4), 150
'Spinel Group'
Formula: AE2O4
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266; Correale, A., Scribano, V., and Paonita, A. (2019) A volcanological paradox in a thin-section: large explosive eruptions of high-Mg magmas explained through a vein of silicate glass in a serpentinized peridotite xenolith (Hyblean area, Sicily). Geosciences, 9(4), 150.
Sylvite
Formula: KCl
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.
Talc
Formula: Mg3Si4O10(OH)2
Reference: Correale, A., Scribano, V., and Paonita, A. (2019) A volcanological paradox in a thin-section: large explosive eruptions of high-Mg magmas explained through a vein of silicate glass in a serpentinized peridotite xenolith (Hyblean area, Sicily). Geosciences, 9(4), 150
Violarite
Formula: Fe2+Ni3+2S4
Reference: Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Godlevskite2.BB.15(Ni,Fe)9S8
Heazlewoodite2.BB.05Ni3S2
Millerite2.CC.20NiS
Polydymite2.DA.05Ni2+Ni3+2S4
Violarite2.DA.05Fe2+Ni3+2S4
Group 3 - Halides
Sylvite3.AA.20KCl
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
Hydroxylapatite8.BN.05Ca5(PO4)3(OH)
Group 9 - Silicates
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Diopside9.DA.15CaMgSi2O6
var: Chromian Diopside9.DA.15Ca(Mg,Cr)Si2O6
Enstatite9.DA.05MgSiO3
Forsterite9.AC.05Mg2SiO4
Lizardite9.ED.15Mg3(Si2O5)(OH)4
Saponite9.EC.45Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Talc9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Glass'-
'Orthopyroxene Subgroup'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
'Spinel Group'-AE2O4

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Heazlewoodite2.5.3.1Ni3S2
AmBnXp, with (m+n):p = 9:8
Godlevskite2.7.4.1(Ni,Fe)9S8
AmXp, with m:p = 1:1
Millerite2.8.16.1NiS
AmBnXp, with (m+n):p = 3:4
Polydymite2.10.1.7Ni2+Ni3+2S4
Violarite2.10.1.8Fe2+Ni3+2S4
Group 9 - NORMAL HALIDES
AX
Sylvite9.1.1.2KCl
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Hydroxylapatite41.8.1.3Ca5(PO4)3(OH)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Forsterite51.3.1.2Mg2SiO4
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Enstatite65.1.2.1MgSiO3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Lizardite71.1.2b.2Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Sheets of 6-membered rings with 2:1 clays
Saponite71.3.1b.2Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Aragonite-CaCO3
'Chlorite Group'-
Diopside
var: Chromian Diopside
-Ca(Mg,Cr)Si2O6
'Glass'-
'Orthopyroxene Subgroup'-
Quartz
var: Chalcedony
-SiO2
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
'Spinel Group'-AE2O4

List of minerals for each chemical element

HHydrogen
H ChrysotileMg3(Si2O5)(OH)4
H LizarditeMg3(Si2O5)(OH)4
H SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
H HydroxylapatiteCa5(PO4)3(OH)
H TalcMg3Si4O10(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
CCarbon
C AragoniteCaCO3
OOxygen
O ChrysotileMg3(Si2O5)(OH)4
O LizarditeMg3(Si2O5)(OH)4
O AragoniteCaCO3
O Quartz (var: Chalcedony)SiO2
O SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
O HydroxylapatiteCa5(PO4)3(OH)
O Spinel GroupAE2O4
O Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
O QuartzSiO2
O DiopsideCaMgSi2O6
O ForsteriteMg2SiO4
O TalcMg3Si4O10(OH)2
O EnstatiteMgSiO3
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
NaSodium
Na SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
MgMagnesium
Mg ChrysotileMg3(Si2O5)(OH)4
Mg LizarditeMg3(Si2O5)(OH)4
Mg SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Mg Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Mg DiopsideCaMgSi2O6
Mg ForsteriteMg2SiO4
Mg TalcMg3Si4O10(OH)2
Mg EnstatiteMgSiO3
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Al SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si ChrysotileMg3(Si2O5)(OH)4
Si LizarditeMg3(Si2O5)(OH)4
Si Quartz (var: Chalcedony)SiO2
Si SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Si Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Si QuartzSiO2
Si DiopsideCaMgSi2O6
Si ForsteriteMg2SiO4
Si TalcMg3Si4O10(OH)2
Si EnstatiteMgSiO3
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
PPhosphorus
P HydroxylapatiteCa5(PO4)3(OH)
SSulfur
S HeazlewooditeNi3S2
S MilleriteNiS
S PolydymiteNi2+Ni23+S4
S ViolariteFe2+Ni23+S4
S Godlevskite(Ni,Fe)9S8
ClChlorine
Cl SylviteKCl
KPotassium
K SylviteKCl
CaCalcium
Ca AragoniteCaCO3
Ca SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Ca HydroxylapatiteCa5(PO4)3(OH)
Ca Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Ca DiopsideCaMgSi2O6
CrChromium
Cr Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Fe ViolariteFe2+Ni23+S4
Fe Godlevskite(Ni,Fe)9S8
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni HeazlewooditeNi3S2
Ni MilleriteNiS
Ni PolydymiteNi2+Ni23+S4
Ni ViolariteFe2+Ni23+S4
Ni Godlevskite(Ni,Fe)9S8
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Scribano, V., Sapienza, G.T.., Braga, R., and Morten, L. (2006) Gabbroic xenoliths in tuff-breccia pipes from the Hyblean Plateau: insights into the nature and composition of the lower crust underneath South-eastern Sicily, Italy. Mineralogy and Petrology, 86, 63-88.
Manuella, F.C. (2011) Vein mineral assemblage in partially serpentinized peridotite xenoliths from Hyblean Plateau (south-eastern Sicily, Italy). Periodico di Mineralogia, 80, 2, 247-266.
Correale, A., Scribano, V., and Paonita, A. (2019) A volcanological paradox in a thin-section: large explosive eruptions of high-Mg magmas explained through a vein of silicate glass in a serpentinized peridotite xenolith (Hyblean area, Sicily). Geosciences, 9(4), 150; https://doi.org/10.3390/geosciences9040150.

Other Regions, Features and Areas containg this locality

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